EP0102635A2 - Ceinture de sécurité notamment avec un dispositif d'enroulement automatique ayant une partie rembourré atténuant la pression d'appui - Google Patents

Ceinture de sécurité notamment avec un dispositif d'enroulement automatique ayant une partie rembourré atténuant la pression d'appui Download PDF

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Publication number
EP0102635A2
EP0102635A2 EP83108707A EP83108707A EP0102635A2 EP 0102635 A2 EP0102635 A2 EP 0102635A2 EP 83108707 A EP83108707 A EP 83108707A EP 83108707 A EP83108707 A EP 83108707A EP 0102635 A2 EP0102635 A2 EP 0102635A2
Authority
EP
European Patent Office
Prior art keywords
cushion
belt
seat belt
belt according
webbing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP83108707A
Other languages
German (de)
English (en)
Other versions
EP0102635A3 (fr
Inventor
Wolfgang Schmalz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0102635A2 publication Critical patent/EP0102635A2/fr
Publication of EP0102635A3 publication Critical patent/EP0102635A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/12—Construction of belts or harnesses

Definitions

  • the invention relates to a seat belt, in particular with an automatic retractor and preferably a three-point seat belt, with a wide, thin, flexible, stretchable, tensile webbing which can be placed on the body of a passenger to be secured and which is encompassed by a cushion part which reduces the contact pressure.
  • a foam cushion surrounds the upper belt of a three-point belt in a distance of approximately 30 cm.
  • the foam cushion can be moved along the top belt and should be positioned on a shoulder in the area of the seat belt support surface in order to reduce the contact pressure there.
  • a disadvantage of this known seat belt with cushion part is that the contact pressure is reduced over a relatively short length of the entire contact area of the belt strap on a passenger.
  • the known S is chaumstoffkissen relatively thick, so that a passenger in an accident situation, for example in a head-on accident, initially compresses the foam pad, before the webbing is elongated itself. It would be more advantageous, however, to load the belt directly and without a forward stretch, as is achieved by the foam cushion, because then the passenger would not already have one certain impulse is thrown into the belt, but stretches the belt from the beginning so that it can absorb the delays caused by the accident.
  • the known plastic cushion also has clear advantages, these are that the contact pressure of the webbing is significantly reduced, particularly in the area of the edge of the webbing, so that, in particular, sensitive people are willing to wear the seat belt, which in turn increases their safety in the event of a Accident is increased. Furthermore, the known foam cushion prevents the webbing from slipping on the body of the passenger, as a result of which the passenger can determine the optimum contact surface for the belt on his body.
  • this cushion part in the form of an inflatable cushion, a hard or a soft pad with all intermediate levels can be set via the air pressure in the cushion.
  • the user can thus choose the most comfortable contact pressure, which means that he feels the belt is less disruptive.
  • the air pressure in the cushion can be reduced, in this case the seat belt is not much thicker than the belt strap, in any case it takes up significantly less space than the known seat belt with the foam cushion pushed on.
  • the seat belt according to the application does not therefore lie on a large area, rather each individual support surface is surrounded by a channel through which air can flow. As a result, the user sweats significantly less in the contact area of the seat belt than is the case with the known seat belt. This also makes the seat belt according to the registration easier to wear.
  • the cushion part thus described extends over the entire length of the support areas, so that not only are the wearing properties improved locally, but the seat belt according to the application can be used overall more cheaply. If the surface of the pillow is designed accordingly, a non-slip pad is at the same time achieved the entire contact area so that the seat belt can maintain a favorable contact position.
  • the belt element is retained as the actual tension element which can absorb the forces caused by the accident alone.
  • the inflatable cushion does not contribute to the mechanical strength of the seat belt, the mechanical properties are determined solely by the belt strap. This means that it can be designed for optimal mechanical values without having to pay attention to comfortable support and low contact pressure.
  • the inflatable cushion which is only supposed to improve the wearing properties, takes on the latter tasks.
  • a separate cushion is preferably provided for the upper belt and the lap belt. This allows you to determine the support properties of both parts of the belt independently of each other, for example, the cushion of the lap belt can be filled with higher pressure than the cushion of the upper belt, because in the latter in particular the pressure on the belt is perceived as annoying.
  • the inflatable cushion is either non-slip connected to the belt, this version is recommended for the new equipment of vehicles, or it can be moved relative to the belt.
  • the straps which are fastened to the longitudinal ends of the cushion and in the vicinity of the fastening regions or to the plug-in part of the belt, automatically position the cushion with respect to the belt strap as soon as the seat belt is fastened. Due to the additional cushion, the seat belt according to the application is thicker than the belt strap. However, in contrast to the seat belt of the type mentioned at the beginning, it is suitable for seat belts with an automatic retractor. This is also an advantage over the known seat belt.
  • Cushions with two elongated, flexible fastening strips, which can be placed on the outside of the belt and have mutually interacting fastening means, are advantageous for retrofitting motor vehicles. This greatly simplifies the subsequent attachment of such a seat belt.
  • the cushion is expediently inflated by means of a hand pump in the form of a pressure bellows, as in the case of is used for example in blood pressure monitors.
  • a more convenient inflation device is proposed, in which the cushion is connected to a pressure source, for example a compressor or a compressed air bottle, via a hose.
  • a pressure source for example a compressor or a compressed air bottle
  • There is a valve in the hose which is attached to the buckle and is opened by inserting the plug-in part into the buckle. This allows compressed air to flow from the pressure source into the pillow, so the pillow is automatically inflated or; emptied.
  • the seat belts shown in the figures are three-point belts, they are also provided with an automatic retractor.
  • the seat belt has a wide, thin, flexible, stretchable, tensile, Belt strap 20 that can be placed on the body of a passenger to be secured. It is encompassed by a cushion part in the form of an elongated, inflatable cushion 22, 24.
  • the cushion 22 is assigned to the upper belt, the cushion 24 overlaps the lap belt.
  • both cushions 22, 24 are each selected to be long enough that they extend over the length of the support areas of the webbing 20 on a passenger.
  • each cushion 22, 24 encompasses the edges 26 of the webbing 20 and the air cushion so that these edges 26 are padded particularly well.
  • Each pillow consists of individual interconnected chambers 28 to 32, which are essentially square, but can also take other shapes.
  • the chambers 28 to 32 are located on the contact side of the webbing 20, as a result of which an air cushion occurs between the user and the webbing 20.
  • the lateral chambers 28 are also located on the outside of the webbing 20, which is at the bottom in FIG. 3, but the space between them is not air-cushioned, rather it is used for a fastening device, which will be discussed later.
  • each cushion 22, 24 is assigned a hand pump 34 as a device for inflating and deflating, which is connected to the respective cushion 22 or 24 via a hose 36.
  • the pillow 22, 24 in the exemplary embodiment according to FIGS. 1 to 3 can be easily moved relative to the webbing 20 the.
  • a flexible band 38 is fastened to each longitudinal end of each cushion 22, 24, which in turn is fastened in the vicinity of the holding regions of the seat belt.
  • the total length of the two bands 38 and the associated cushion 22 or 24 corresponds to the total length of the corresponding belt part, for example the upper belt in the extended, used state, as shown in FIG. 1.
  • the length of the straps 38 and the length of the cushion 22 and 24 is selected so that the cushion itself comes into contact with the passenger when the webbing 20 is pulled out.
  • the cushions 22, 24 in the exemplary embodiment according to FIGS. 1 to 3 have alternately directed crease lines in their transverse direction.
  • the two cushions 22, 24 fold like an accordion, as shown in FIG. There-. due to the unused belt practically does not disturb and the cushions are fixed locally at the same time.
  • each pillow 22, 24 has a fastening device, which holds it in the annular closed form, as shown in FIG. 3.
  • Two elongated, flexible fastening strips 44, 46 are provided on the pillows, each longitudinal edge of a cushion 22, 24 has such a fastening strip 44 or 46.
  • Both fastening strips 44, 46 are covered with the parts of a Velcro fastener, so that the one in FIG shown, overlapping stop is reached. Due to the Velcro fastener, disassembly is possible at any time possible.
  • Other fastening devices that act, for example, by gluing or sewing, etc. are also possible.
  • Each pillow 22, 24 itself consists of an inner skin 48 which conforms closely to the surface of the webbing 20 and an outer skin 50 with pillow-like bulges which form the individual chambers 28 to 32.
  • Inner skin 48 and outer skin 50 are connected to one another in an airtight manner. In the area of the chambers 30 and 32, the inner skin 48 also serves to prevent these chambers 30, 32 from stretching when inflated.
  • the pillows 22, 24 are made of rubber-impregnated fabric, as is also used for air mattresses. Other materials can also be used instead.
  • the surface of the inner skin 48 resting on the webbing 20 has a low coefficient of friction compared to the webbing 20, so that the cushions 22, 24 can be easily shifted relative to the webbing.
  • the outer surface of the outer skin 50 is coated with a non-slip coating, for example covered with a thin pimpled rubber, such as is used for table tennis bats. As a result, the belt practically does not slip as soon as it is put on.
  • the second exemplary embodiment according to FIGS. 4 and 5 is particularly suitable for installation in motor vehicles during the manufacture of these motor vehicles in the factory, but it is also possible to retrofit motor vehicles, but this requires larger conversion measures.
  • the cushions 22 and 24 are fixed to the respective part of the webbing 20 connected. This eliminates bands 38, kink lines or a special fastening device.
  • the webbing 20 is an integral part of the associated cushions 22, 24, the cushions 22, 24, which consist of individual chambers arranged one behind the other, can be folded very flat. This makes it possible for them to enter the inlet opening 52 of an automatic belt retractor and not, like the cushions 22, 24 in the first exemplary embodiment, to jam in front of this inlet opening.
  • the inlet opening 52 is designed to be wider than in the case of a conventional seat belt without a cushion part, in the exemplary embodiment shown it consists of two parallel rollers 54 made of a resilient material, which are pressed against one another in such a way that the cushion 22, 24 located between them is pinched off airtight.
  • an automatic inflator is provided in this second embodiment, which will be discussed in the following:
  • the two cushions 22, 24 of the three-point belt are connected to each other so that they can be filled and emptied together.
  • the fastening end 56 of the pelvic belt opposite the plug-in part 42 which also moves only slightly when the seat belt is wound up, is connected to a hose 58 via which both cushions 22, 24 can be filled and emptied.
  • a valve 60 is arranged, which is connected to a buckle 62 so that it is actuated by inserting the plug-in part 42 into the buckle 62.
  • the hose 58 is connected to a compressed air source 64 which is designed here as P ressluftzylinder.
  • a suitable device for example a pressure reducing valve, ensures that the cushions 22, 24 cannot be inflated too strongly. Furthermore, pressure relief valves are provided in the cushions 22, 24, which open automatically when a pressure inside the cushion is exceeded.
  • the plug-in part 42 is pulled out of the belt buckle 62 again, the compressed air side is closed, the outlet of the valve 60 leading to the cushions 22, 24 is opened to the atmosphere, so that the compressed air can flow out of the cushions 22, 24.
  • the automatic retractor can now pull the upper belt into the inlet opening 52, the upper belt being folded in and the entire belt stretching.
  • a valve 60 which interacts with the plug-in part 42 as follows, is particularly advantageous: Whenever the plug-in part 42 is inserted into the belt buckle 62, the valve 60 is open.
  • the valve is designed, for example, as a ball valve, the ball of which is kept pressed out of its sealing seat by a projection in the belt buckle 62. If one removes the plug-in part 42 from the belt buckle, the valve 60 remains alternately closed once due to a switching mechanism, as is known for pressure ballpoint pens, so that the belt remains inflated, but opened the next time, so that the air can escape freely can.
  • the belt according to the invention has a plurality of ventilation holes, each of which is formed by a short piece of hose which passes through the belt strap 20 and is tightly connected to the outer skin 50 or the inner skin 48. This allows air to flow through the belt, further improving ventilation.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Air Bags (AREA)
  • Automotive Seat Belt Assembly (AREA)
EP83108707A 1982-09-04 1983-09-03 Ceinture de sécurité notamment avec un dispositif d'enroulement automatique ayant une partie rembourré atténuant la pression d'appui Withdrawn EP0102635A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823232946 DE3232946A1 (de) 1982-09-04 1982-09-04 Sicherheitsgurt, insbesondere mit automatischer aufrollvorrichtung, mit einem den auflagedruck mindernden polsterteil
DE3232946 1982-09-04

Publications (2)

Publication Number Publication Date
EP0102635A2 true EP0102635A2 (fr) 1984-03-14
EP0102635A3 EP0102635A3 (fr) 1987-06-03

Family

ID=6172495

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83108707A Withdrawn EP0102635A3 (fr) 1982-09-04 1983-09-03 Ceinture de sécurité notamment avec un dispositif d'enroulement automatique ayant une partie rembourré atténuant la pression d'appui

Country Status (2)

Country Link
EP (1) EP0102635A3 (fr)
DE (1) DE3232946A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0149728A3 (en) * 1983-12-02 1987-09-02 Audi Ag Device for conveying a safety belt buckle tongue into a useful position
GB2220344A (en) * 1988-06-02 1990-01-10 William Lindsay Seat belt strap cover
FR2638411A1 (fr) * 1988-10-27 1990-05-04 Ecia Equip Composants Ind Auto Ceinture de securite passive gonflable a bouclage automatique
EP1127750A3 (fr) * 2000-02-28 2001-08-29 H. KOCH & SONS, INC. Dispositif et sytème de retenue de la partie supérieure du torse s'opposant à son glissement
ITRN20120012A1 (it) * 2012-02-29 2013-08-30 Mam S A S Di Battelli Marco Dispositivo per proteggere gli abiti dalle cinture di sicurezza negli autoveicoli.
CN110371076A (zh) * 2019-07-28 2019-10-25 南京视莱尔汽车电子有限公司 一种可自动绑定的安全带

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3624155A1 (de) * 1986-07-17 1988-02-04 Daimler Benz Ag Sicherheitsgurt fuer fahrzeuge, insbesondere personenkraftwagen
JPH11348721A (ja) * 1998-06-08 1999-12-21 Takata Kk エアベルト及びエアベルト装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3970329A (en) * 1973-01-10 1976-07-20 Allied Chemical Corporation Inflatable band restraint stitching
US3888503A (en) * 1973-02-22 1975-06-10 Allied Chem Limiting of continuous extent of inflatable restraint
GB1478967A (en) * 1973-07-09 1977-07-06 Safety belts
US3905615A (en) * 1974-06-27 1975-09-16 Us Navy Inflatable body and head restraint
DE2838821A1 (de) * 1978-09-06 1980-03-20 Erdmann Eduard Franz Unterlegmanschette fuer auto-sicherheitsgurte
DE2850554A1 (de) * 1978-11-22 1980-06-04 Volkswagenwerk Ag Sicherheitsgurt
GB2048651B (en) * 1979-05-10 1983-01-12 Diliey Ltd G & K Cover for seat belts
JPS5951465B2 (ja) * 1980-10-15 1984-12-14 株式会社高田工場 エア−ベルトを用いた乗員保護装置

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0149728A3 (en) * 1983-12-02 1987-09-02 Audi Ag Device for conveying a safety belt buckle tongue into a useful position
GB2220344A (en) * 1988-06-02 1990-01-10 William Lindsay Seat belt strap cover
FR2638411A1 (fr) * 1988-10-27 1990-05-04 Ecia Equip Composants Ind Auto Ceinture de securite passive gonflable a bouclage automatique
EP1127750A3 (fr) * 2000-02-28 2001-08-29 H. KOCH & SONS, INC. Dispositif et sytème de retenue de la partie supérieure du torse s'opposant à son glissement
ITRN20120012A1 (it) * 2012-02-29 2013-08-30 Mam S A S Di Battelli Marco Dispositivo per proteggere gli abiti dalle cinture di sicurezza negli autoveicoli.
WO2013128481A1 (fr) * 2012-02-29 2013-09-06 Mam S.A.S Di Battelli Marco & C. Dispositif de protection de vêtements vis-à-vis de ceintures de sécurité dans des véhicules à moteur
CN110371076A (zh) * 2019-07-28 2019-10-25 南京视莱尔汽车电子有限公司 一种可自动绑定的安全带
CN110371076B (zh) * 2019-07-28 2020-05-26 南京视莱尔汽车电子有限公司 一种可自动绑定的安全带

Also Published As

Publication number Publication date
DE3232946A1 (de) 1984-03-08
EP0102635A3 (fr) 1987-06-03

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